EcoAccount withdraws

* adds functionality for withdraws from eco accounts in detail view of interventions and eco account as well
* adds get_surface() method to AbstractCompensation class to provide a simple getter for a sql calculation
* adds get_surface_withdraws() method to EcoAccount class to provide a simple getter for a sql calculation
* renames some routes to match coherent rout naming
* adds logic check on NewWithdrawForm
* renames templates/table directory to templates/form, since there are form-table templates inside --> more clarity
* adds new autocomplete routes to konova/urls.py for Interventions and EcoAccounts
* adds/updates translations
* adds/updates template comments
* updates requirements.txt

templates/modal/modal_form.html

@@ -1,4 +1,4 @@
-{% load i18n l10n %}
+{% load i18n l10n bootstrap4 %}
 {% comment %}
     A generic modal form template which is based on django-bootstrap-modal-forms package
     https://pypi.org/project/django-bootstrap-modal-forms/
@@ -18,7 +18,7 @@
         <article>
             {{ form.form_caption }}
         </article>
-        {% include 'table/generic_table_form_body.html' %}
+        {% include 'form/generic_table_form_body.html' %}
     </div>
     {% if form.render_submit %}
     <div class="modal-footer">